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Finding the Fourth Proportional to 3,150.30, 4,724.76 and 958.59

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Solution

The fourth proportional to 3,150.30, 4,724.76 and 958.59 is: 1,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.30 : 4,724.76 = 958.59 : x
  2. Step 2: Convert to fraction form
    3,150.30/4,724.76 = 958.59/x
  3. Step 3: Cross multiply
    3,150.30x = 4,724.76 × 958.59
  4. Step 4: Simplify right side
    3,150.30x = 4,529,107.69
  5. Step 5: Solve for x
    x = 4,529,107.69/3,150.30
  6. Step 6: Final answer
    x = 1,437.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.